Tiny spotting 34weeks pregnant

Dyani

I had 2 days ago like a tiny but tiny dot of blood and now today again. I am 34 weeks pregnant today and i have schedule an appointment in 2 weeks for my last ultrasound should i be concern for that tiny dot? My baby move well everyday and is really active been feeling pressure on my abdomen. I am a thin person could it be because my baby is growing and presure causing the dot of blood? Any advice or should i schedule an appointment befor e the 2 weeks time given